class_docstr: Patch a callback output value
  
  Act like a proxy of the output prop value on the frontend.
  
  Supported prop types: Dictionaries and lists.
code: def __repr__(self):
      return f"<write-only dash.Patch object at {self._location}>"
  
label_desc: Use image node_id 16 for calling the Patch obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str